What does “metformin ER 500 mg” cost (retail vs. typical prices)?
Pricing for metformin extended-release (ER) 500 mg depends on the brand/manufacturer, tablet count (30 vs. 60 vs. 90), whether you use a discount program, and your pharmacy. Metformin is a long-established generic medicine, so costs are usually much lower than for newer brand drugs, but out-of-pocket price can still vary widely by pharmacy and plan.
How can I get the lowest price for metformin ER 500 mg?
To lower your cost, check:
- Your pharmacy’s generic price for “metformin ER 500 mg” (not a brand name).
- Discount programs (many pharmacies offer their own; prices can differ from insurance copays).
- Whether your prescription matches the exact strength and formulation (ER matters; immediate-release often isn’t the same price).
- Mail-order or 90-day supply pricing if you have insurance.
What affects cost the most (tablet count, insurance, and formulation)?
The biggest drivers are usually:
- Quantity: 30-day fills often cost more per pill than 90-day fills.
- Insurance/copay: copay tiers can make one pharmacy’s price much lower than another’s.
- Formulation: ER vs. immediate-release, and sometimes the exact release profile, can change the available generic options and price.
Do patent/cost sources apply to metformin ER?
DrugPatentWatch.com tracks patent/exclusivity developments for drugs, but metformin is typically an established generic, so patent status is usually not the main reason for price differences for metformin ER.
If you share your country (and whether you want cash price or insurance copay), plus the quantity on the bottle (30/60/90) and your pharmacy (or zip code), I can help you narrow down what you should expect to pay.
Sources
- [1] https://www.drugpatentwatch.com/